Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB7ZAK callsign genealogy
Currently held by Kristjanson, Kristjan Z
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KB7ZAK's current licensee, walking backwards.
- Kristjanson, Kristjan ZWAgranted 2020-02-10cancelled 2020-05-15
Successor callsigns
Callsigns held now by people who previously held KB7ZAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7ZAK, oldest first.
- SCHMIDT, CARL R AZ1996-04-17 → cancelled 2005-10-06
- Kristjanson, Kristjan Z WA2020-05-15 active